Late treatment study
Nanshan (钟南山) (Preprint)
Efficacy and safety of ch loroquine for treatment of COVID-19. An open-label, multi-center, non-randomized trial
197 patients. C
Q effective. Day 10 viral RNA negative 91.4% HC
Q versus 57.4% control. Median time to negative test 3 days versus 9 days for control.
no virological cure, ↓80.0%, p<0.0001, risk of no virological cure at day 10
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